Japanese knotweed

English

typical thicket of Japanese knotweed

Noun

Japanese knotweed (uncountable)

1. A large, herbaceous perennial plant, Fallopia japonica, native to Asia; it is a highly invasive colonizer outside of its native territory.
   • 2022 June 29, Paul Clifton, “Using AI technology to manage lineside vegetation”, in RAIL, number 960, page 32:

     "We got into this because we were looking at invasive species at the roadside, such as Japanese knotweed. A lot of rail embankments have been solidified by knotweed because the roots are so strong.

Derived terms

• Japanese knotweed psyllid — Aphalara itadori

Translations

Fallopia japonica

• Chinese:

  Mandarin: 虎杖 (zh) (hǔzhàng)

• Czech: křídlatka japonská
• Danish: Japan-Pileurt
• Dutch: japanse duizendknoop
• Finnish: japanintatar (fi)
• French: renouée du Japon (fr)
• German: japanischer Staudenknöterich
• Hungarian: ártéri japánkeserűfű (hu)
• Japanese: イタドリ (ja) (itadori)
• Korean: 호장근 (hojanggeun)
• Lithuanian: japoninis pelėvirkštis
• Polish: rdestowiec ostrokończysty
• Russian: япо́нский спо́рыш m (japónskij spóryš)
• Swedish: parkslide (sv)
• Vietnamese: cốt khí
• Welsh: clymog Japan f, llysiau'r cythraul m pl, pys saethwr f pl

See also

• Mycosphaerella - leafspot fungus
• Puccinia polygoni-weyrichii
• Gallerucida nigromaculata

References

• Japanese knotweed on Wikipedia.Wikipedia
• Fallopia japonica on Wikispecies.Wikispecies
• Fallopia japonica on Wikimedia Commons.Wikimedia Commons
• Japanese knotweed at USDA Plants database
• Fallopia japonica at Invasive plants.net.